MIL-DTL-38999 Series I connectors feature up to 128 contacts within an environmentally sealed insert, designed for rugged applications with an operating temperature range of -65°C to 200°C. Available in various shell sizes and insert arrangements, they offer versatility for different connectivity needs. The connectors come in high strength aluminum shells with options for plating, including cadmium-free finishes. With front wall mount, rear wall mount, and jam nut receptacles, as well as RFI grounding plugs, they provide reliable connectivity in harsh environments. Utilizing M39029 rear release crimp contacts, these connectors ensure secure and efficient connections. Meeting military specification MIL-DTL-38999 I, they are suitable for demanding applications where durability and performance are essential.